Orchard-heater.



J. L. HAMILTON.

ORCHARD HEATER.

APPLICATION FILED NOV. 9, 1912.

Patented 00b. 7, 1913.

WITNESSES:

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BY I

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JAMES L. HAMILTON, or GRAND Unc'rIoN, COLORADO, assronon 'ro rnn HAMILTON ORCHARD HEATER COMPANY, a conronarion or wear VIRGINIA.

ORCH RD- EATER.

Specification of Letters Patent.

* To all whom it may concern.

annular hood 5 and at the top Be it known that I, JAMES L. HAMILTON, a citizen of the United States, residing at Grand Junction, in the county of Mesa and State of Colorado, have invented a new and useful Improvement in Orchard'Heaters, of which the following is a specification.

My invention relates to improvements in orchard heaters adapted for the efiicient and smokeless combustion of the heavy fuel oils derived from petroleum.

The present invention is animprovement on an orchard heater heretofore invented by me, which is shown and described in an application for a patent, filed by me in the United States Patent Office January31, 1912, Serial Number 67 4,531, for which U. S. Patent No. 1,0t5,5l7 was issued Nov. 26, 1912, and the object of this improvement is to provide an orchardheate'r of simple and compact construction having a double draft chimney whereby air is supplied to the burn ing gases in the correct proportion in such a manner as to make the combustion perfectand smokeless.

The figure of the drawing shows my improved heater, partly in section when set up and ready for use. 1

The fuel reservo ir or receptacle 4 is preferably made flaring or tapering as shown. It is provided with. a sloping annular hood 5 which is fitted closely on the top of-the I Y reservoir. The inner draft chimney 6 is permanently securedto the central opening of the annular hood 5. The outer draft chimney 8 is removably fitted to the inner -one and is maintained concentric therewith at the bottom by. means of a h g9 on the y a series ofvpunched out lugs 10 in the wall of the outer draft chimney. Suitable perforations 7 are provided in both the inner and outer draft chimney to admit suficient air to provide the required amount of oxygen to make the combustion complete and smokeless.

A tapering fire tube 11, provided with perforations 12,v is placed centrally within the fuel reservoir. The lower end rests on the bottom of the reservoir and the upper close the draft openings as desired. H

' In order to prevent rain or snow from' entering through the top of the chimney when the heater is standing in the orchard,

a cover 15 is provided which fits closely over the top of the outer chimney. 1

W hat I claim as my invention is:

-1. An orchard heater comprising a liquid fuel reservoir, a sloping annular hood closely fitted to the top of the fuel reservoir, .a perforated inner draft chimney having its lower end permanently secured to the central opening of the hood, a perforated outer draft chimney of larger diameter, and means for retaining the outer draft chimney concentric with the inner one.

' 2.' An orchard. heater comprising a liquid fuel reservoir, a sloping annular hood closely fitted to the top of the fuel reservoir, a. perforated inner draft chimney having its lower end permanently secured to the central opening of the hood, a perforated outer draft chimney of larger diameter, means for retaining the outer draft chimney concentric with the inner one, and a perforated central fire tube with its lower end resting on the bottom of the fuelreservoir and its upper end extending into the inner draft chimney.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

JAMES L. HAMILTON. Witnesses AonA M. KEIsER, H. L. McOLI'NTooK.

Patented @ct. "t, 1913. Application filed November 8, 1912. Serial No. 730,292. 

